42.蛇形曲线 x = 2 * cos ( (t+1) *(2*180)) y = 2 * sin ( t *(5*360)) z = t*(t+1) 
图42
43.8字形曲线 柱坐标 theta = t*360 r=10+(8*sin(theta))^2
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图43
44.椭圆曲线 笛卡尔坐标系 a = 10 b = 20 theta = t*360 x = a*cos(theta) y = b*sin(theta)
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图44
45.梅花曲线 柱坐标 theta = t*360 r=10+(3*sin(theta*2.5))^2
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图45
46.另一个花曲线 theta = t*360 r=10-(3*sin(theta*3))^2 z=4*sin(theta*3)^2
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图46
47.改一下就成为空间感更强的花曲线了;) theta = t*360 r=10-(3*sin(theta*3))^2 z=(r*sin(theta*3))^2
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图47
48.螺旋上升的椭圆线 a = 10 b = 20 theta = t*360*3 x = a*cos(theta) y = b*sin(theta) z=t*12
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图48
49.甚至这种螺旋花曲线 theta = t*360*4 r=10+(3*sin(theta*2.5))^2 z = t*16
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图49
50 鼓形线
笛卡尔方程 r=5+3.3*sin(t*180)+t theta=t*360*10 z=t*10 
图50
51 长命锁曲线
笛卡尔方程: a=1*t*359.5 b=q2*t*360 c=q3*t*360 rr1=w1 rr2=w2 rr3=w3 x=rr1*cos(a)+rr2*cos(b)+rr3*cos(c) y=rr1*sin(a)+rr2*sin(b)+rr3*sin(c) 
图51
52 簪形线
球坐标 方程: rho=200*t theta=900*t phi=t*90*10 
图52
53.螺旋上升曲线 r=t^10 theta=t^3*360*6*3+t^3*360*3*3 z=t^3*(t+1)
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图53
54.蘑菇曲线 rho=t^3+t*(t+1) theta=t*360 phi=t^2*360*20*20
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图54
55. 8字曲线 a=1 b=1 x=3*b*cos(t*360)+a*cos(3*t*360) Y=b*sin(t*360)+a*sin(3*t*360)
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图55
56.梅花曲线 theta=t*360 r=100+50*cos(5*theta) z=2*cos(5*theta)
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图56
57.桃形曲线 rho=t^3+t*(t+1) theta=t*360 phi=t^2*360*10*10
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图57
58.名稱:碟形弹簧 建立環境:pro/e 圓柱坐 r = 5 theta = t*3600 z =(sin(3.5*theta-90))+24
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图58
59.环形二次曲线 笛卡儿方程:
x=50*cos(t*360) y=50*sin(t*360) z=10*cos(t*360*8) |